Frigidaire FDPH4316AS 24 in Gallery Top Control 52 dBA i20 Error Fix: No Water Detected in Tub

Error code i20 on the Frigidaire FDPH4316AS 24 in Gallery Top Control 52 dBA means: No Water Detected in Tub. The pressure switch or flow meter detected no water entering the dishwasher tub — the water inlet valve may have failed completely, the supply line may be disconnected, or the pressure switch hose may be blocked or disconnected; verify water supply is on and check the inlet valve for voltage when the fill cycle starts

The most successful fix is "Test and Replace the Water Inlet Valve" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Test and Replace the Water Inlet Valve") is rated medium difficulty and takes about 45 minutes. Tools needed: Phillips screwdriver, Adjustable wrench, Multimeter, Flashlight.

DIY cost: $15-$25. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

The Frigidaire FDPH4316AS 24 in Gallery Top Control 52 dBA has 8 other known error codes, including: CE (Communication Error Between Boards), ER (Heating Element Error), i10 (Water Fill Timeout), i30 (Drain System Problem or Leak Detected), i40 (Flood Protection Activated), and 3 more.

Error code i20 also appears on 6 other Frigidaire models: FDPC4221AS 24 in Front Control Dishwasher 50 dBA with ProDry and Delay Start, FDPC4314AS 24 in Front Control with MaxBoost Dry, FDSH4501AS 24 in Top Control with EvenDry, GDPH4515AF 24 in Gallery Top Control with CleanBoost, GDPP4517AF 24 in Gallery Top Control 47 dBA with OrbitClean, GDSP4715AF 24 in Gallery Built-In with Dual OrbitClean. The fix may vary by model, so check each model's specific page for tailored repair steps.